/* * Unix SMB/CIFS implementation. * SMB parameters and setup * Copyright (C) Andrew Tridgell 1992-1998 * Copyright (C) Simo Sorce 2000-2002 * Copyright (C) Gerald Carter 2000 * Copyright (C) Jeremy Allison 2001 * Copyright (C) Andrew Bartlett 2002 * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 675 * Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #if 0 /* when made a module use this */ static int tdbsam_debug_level = DBGC_ALL; #undef DBGC_CLASS #define DBGC_CLASS tdbsam_debug_level #else #undef DBGC_CLASS #define DBGC_CLASS DBGC_PASSDB #endif #define PDB_VERSION "20010830" #define PASSDB_FILE_NAME "passdb.tdb" #define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBdd" #define USERPREFIX "USER_" #define RIDPREFIX "RID_" struct tdbsam_privates { TDB_CONTEXT *passwd_tdb; TDB_DATA key; /* retrive-once info */ const char *tdbsam_location; BOOL permit_non_unix_accounts; BOOL algorithmic_rids; uint32 low_nua_rid; uint32 high_nua_rid; }; /********************************************************************** Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len *********************************************************************/ static BOOL init_sam_from_buffer (struct tdbsam_privates *tdb_state, SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen) { /* times are stored as 32bit integer take care on system with 64bit wide time_t --SSS */ uint32 logon_time, logoff_time, kickoff_time, pass_last_set_time, pass_can_change_time, pass_must_change_time; char *username; char *domain; char *nt_username; char *dir_drive; char *unknown_str; char *munged_dial; char *fullname; char *homedir; char *logon_script; char *profile_path; char *acct_desc; char *workstations; uint32 username_len, domain_len, nt_username_len, dir_drive_len, unknown_str_len, munged_dial_len, fullname_len, homedir_len, logon_script_len, profile_path_len, acct_desc_len, workstations_len; uint32 user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6; uint16 acct_ctrl, logon_divs; uint8 *hours; static uint8 *lm_pw_ptr, *nt_pw_ptr; uint32 len = 0; uint32 lm_pw_len, nt_pw_len, hourslen; BOOL ret = True; struct passwd *pw; uid_t uid = -1; gid_t gid = -1; /* This is what standard sub advanced expects if no gid is known */ if(sampass == NULL || buf == NULL) { DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n")); return False; } /* unpack the buffer into variables */ len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING, &logon_time, &logoff_time, &kickoff_time, &pass_last_set_time, &pass_can_change_time, &pass_must_change_time, &username_len, &username, &domain_len, &domain, &nt_username_len, &nt_username, &fullname_len, &fullname, &homedir_len, &homedir, &dir_drive_len, &dir_drive, &logon_script_len, &logon_script, &profile_path_len, &profile_path, &acct_desc_len, &acct_desc, &workstations_len, &workstations, &unknown_str_len, &unknown_str, &munged_dial_len, &munged_dial, &user_rid, &group_rid, &lm_pw_len, &lm_pw_ptr, &nt_pw_len, &nt_pw_ptr, &acct_ctrl, &unknown_3, &logon_divs, &hours_len, &hourslen, &hours, &unknown_5, &unknown_6); if (len == -1) { ret = False; goto done; } /* validate the account and fill in UNIX uid and gid. Standard * getpwnam() is used instead of Get_Pwnam() as we do not need * to try case permutations */ if (!username || !(pw = getpwnam_alloc(username))) { if (!(tdb_state->permit_non_unix_accounts)) { DEBUG(0,("tdbsam: getpwnam_alloc(%s) return NULL. User does not exist!\n", username)); ret = False; goto done; } } if (pw) { uid = pw->pw_uid; gid = pw->pw_gid; pdb_set_unix_homedir(sampass, pw->pw_dir, PDB_SET); passwd_free(&pw); pdb_set_uid(sampass, uid, PDB_SET); pdb_set_gid(sampass, gid, PDB_SET); } pdb_set_logon_time(sampass, logon_time, PDB_SET); pdb_set_logoff_time(sampass, logoff_time, PDB_SET); pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET); pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET); pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET); pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET); pdb_set_username (sampass, username, PDB_SET); pdb_set_domain (sampass, domain, PDB_SET); pdb_set_nt_username (sampass, nt_username, PDB_SET); pdb_set_fullname (sampass, fullname, PDB_SET); if (homedir) { pdb_set_homedir(sampass, homedir, PDB_SET); } else { pdb_set_homedir(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_home(), username, domain, uid, gid), PDB_DEFAULT); } if (dir_drive) pdb_set_dir_drive(sampass, dir_drive, PDB_SET); else { pdb_set_dir_drive(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_drive(), username, domain, uid, gid), PDB_DEFAULT); } if (logon_script) pdb_set_logon_script(sampass, logon_script, PDB_SET); else { pdb_set_logon_script(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_script(), username, domain, uid, gid), PDB_DEFAULT); } if (profile_path) { pdb_set_profile_path(sampass, profile_path, PDB_SET); } else { pdb_set_profile_path(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_path(), username, domain, uid, gid), PDB_DEFAULT); } pdb_set_acct_desc (sampass, acct_desc, PDB_SET); pdb_set_workstations (sampass, workstations, PDB_SET); pdb_set_munged_dial (sampass, munged_dial, PDB_SET); if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) { if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) { ret = False; goto done; } } if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) { if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) { ret = False; goto done; } } pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); pdb_set_unknown_3(sampass, unknown_3, PDB_SET); pdb_set_hours_len(sampass, hours_len, PDB_SET); pdb_set_unknown_5(sampass, unknown_5, PDB_SET); pdb_set_unknown_6(sampass, unknown_6, PDB_SET); pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET); pdb_set_logon_divs(sampass, logon_divs, PDB_SET); pdb_set_hours(sampass, hours, PDB_SET); done: SAFE_FREE(username); SAFE_FREE(domain); SAFE_FREE(nt_username); SAFE_FREE(fullname); SAFE_FREE(homedir); SAFE_FREE(dir_drive); SAFE_FREE(logon_script); SAFE_FREE(profile_path); SAFE_FREE(acct_desc); SAFE_FREE(workstations); SAFE_FREE(munged_dial); return ret; } /********************************************************************** Intialize a BYTE buffer from a SAM_ACCOUNT struct *********************************************************************/ static uint32 init_buffer_from_sam (struct tdbsam_privates *tdb_state, uint8 **buf, const SAM_ACCOUNT *sampass) { size_t len, buflen; /* times are stored as 32bit integer take care on system with 64bit wide time_t --SSS */ uint32 logon_time, logoff_time, kickoff_time, pass_last_set_time, pass_can_change_time, pass_must_change_time; uint32 user_rid, group_rid; const char *username; const char *domain; const char *nt_username; const char *dir_drive; const char *unknown_str; const char *munged_dial; const char *fullname; const char *homedir; const char *logon_script; const char *profile_path; const char *acct_desc; const char *workstations; uint32 username_len, domain_len, nt_username_len, dir_drive_len, unknown_str_len, munged_dial_len, fullname_len, homedir_len, logon_script_len, profile_path_len, acct_desc_len, workstations_len; const uint8 *lm_pw; const uint8 *nt_pw; uint32 lm_pw_len = 16; uint32 nt_pw_len = 16; /* do we have a valid SAM_ACCOUNT pointer? */ if (sampass == NULL) { DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n")); return -1; } *buf = NULL; buflen = 0; logon_time = (uint32)pdb_get_logon_time(sampass); logoff_time = (uint32)pdb_get_logoff_time(sampass); kickoff_time = (uint32)pdb_get_kickoff_time(sampass); pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass); pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass); pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass); user_rid = pdb_get_user_rid(sampass); group_rid = pdb_get_group_rid(sampass); username = pdb_get_username(sampass); if (username) username_len = strlen(username) +1; else username_len = 0; domain = pdb_get_domain(sampass); if (domain) domain_len = strlen(domain) +1; else domain_len = 0; nt_username = pdb_get_nt_username(sampass); if (nt_username) nt_username_len = strlen(nt_username) +1; else nt_username_len = 0; fullname = pdb_get_fullname(sampass); if (fullname) fullname_len = strlen(fullname) +1; else fullname_len = 0; /* * Only updates fields which have been set (not defaults from smb.conf) */ if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) dir_drive = pdb_get_dir_drive(sampass); else dir_drive = NULL; if (dir_drive) dir_drive_len = strlen(dir_drive) +1; else dir_drive_len = 0; if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) homedir = pdb_get_homedir(sampass); else homedir = NULL; if (homedir) homedir_len = strlen(homedir) +1; else homedir_len = 0; if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) logon_script = pdb_get_logon_script(sampass); else logon_script = NULL; if (logon_script) logon_script_len = strlen(logon_script) +1; else logon_script_len = 0; if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) profile_path = pdb_get_profile_path(sampass); else profile_path = NULL; if (profile_path) profile_path_len = strlen(profile_path) +1; else profile_path_len = 0; lm_pw = pdb_get_lanman_passwd(sampass); if (!lm_pw) lm_pw_len = 0; nt_pw = pdb_get_nt_passwd(sampass); if (!nt_pw) nt_pw_len = 0; acct_desc = pdb_get_acct_desc(sampass); if (acct_desc) acct_desc_len = strlen(acct_desc) +1; else acct_desc_len = 0; workstations = pdb_get_workstations(sampass); if (workstations) workstations_len = strlen(workstations) +1; else workstations_len = 0; unknown_str = NULL; unknown_str_len = 0; munged_dial = pdb_get_munged_dial(sampass); if (munged_dial) munged_dial_len = strlen(munged_dial) +1; else munged_dial_len = 0; /* one time to get the size needed */ len = tdb_pack(NULL, 0, TDB_FORMAT_STRING, logon_time, logoff_time, kickoff_time, pass_last_set_time, pass_can_change_time, pass_must_change_time, username_len, username, domain_len, domain, nt_username_len, nt_username, fullname_len, fullname, homedir_len, homedir, dir_drive_len, dir_drive, logon_script_len, logon_script, profile_path_len, profile_path, acct_desc_len, acct_desc, workstations_len, workstations, unknown_str_len, unknown_str, munged_dial_len, munged_dial, user_rid, group_rid, lm_pw_len, lm_pw, nt_pw_len, nt_pw, pdb_get_acct_ctrl(sampass), pdb_get_unknown_3(sampass), pdb_get_logon_divs(sampass), pdb_get_hours_len(sampass), MAX_HOURS_LEN, pdb_get_hours(sampass), pdb_get_unknown_5(sampass), pdb_get_unknown_6(sampass)); /* malloc the space needed */ if ( (*buf=(uint8*)malloc(len)) == NULL) { DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n")); return (-1); } /* now for the real call to tdb_pack() */ buflen = tdb_pack(*buf, len, TDB_FORMAT_STRING, logon_time, logoff_time, kickoff_time, pass_last_set_time, pass_can_change_time, pass_must_change_time, username_len, username, domain_len, domain, nt_username_len, nt_username, fullname_len, fullname, homedir_len, homedir, dir_drive_len, dir_drive, logon_script_len, logon_script, profile_path_len, profile_path, acct_desc_len, acct_desc, workstations_len, workstations, unknown_str_len, unknown_str, munged_dial_len, munged_dial, user_rid, group_rid, lm_pw_len, lm_pw, nt_pw_len, nt_pw, pdb_get_acct_ctrl(sampass), pdb_get_unknown_3(sampass), pdb_get_logon_divs(sampass), pdb_get_hours_len(sampass), MAX_HOURS_LEN, pdb_get_hours(sampass), pdb_get_unknown_5(sampass), pdb_get_unknown_6(sampass)); /* check to make sure we got it correct */ if (buflen != len) { DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n", buflen, len)); /* error */ SAFE_FREE (*buf); return (-1); } return (buflen); } /*************************************************************** Open the TDB passwd database for SAM account enumeration. ****************************************************************/ static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update) { struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; /* Open tdb passwd */ if (!(tdb_state->passwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600))) { DEBUG(0, ("Unable to open/create TDB passwd\n")); return NT_STATUS_UNSUCCESSFUL; } tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb); return NT_STATUS_OK; } static void close_tdb(struct tdbsam_privates *tdb_state) { if (tdb_state->passwd_tdb) { tdb_close(tdb_state->passwd_tdb); tdb_state->passwd_tdb = NULL; } } /*************************************************************** End enumeration of the TDB passwd list. ****************************************************************/ static void tdbsam_endsampwent(struct pdb_methods *my_methods) { struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; close_tdb(tdb_state); DEBUG(7, ("endtdbpwent: closed sam database.\n")); } /***************************************************************** Get one SAM_ACCOUNT from the TDB (next in line) *****************************************************************/ static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user) { NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; TDB_DATA data; const char *prefix = USERPREFIX; int prefixlen = strlen (prefix); if (user==NULL) { DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n")); return nt_status; } /* skip all non-USER entries (eg. RIDs) */ while ((tdb_state->key.dsize != 0) && (strncmp(tdb_state->key.dptr, prefix, prefixlen))) /* increment to next in line */ tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); /* do we have an valid iteration pointer? */ if(tdb_state->passwd_tdb == NULL) { DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n")); return nt_status; } data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key); if (!data.dptr) { DEBUG(5,("pdb_getsampwent: database entry not found.\n")); return nt_status; } /* unpack the buffer */ if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); SAFE_FREE(data.dptr); return nt_status; } SAFE_FREE(data.dptr); /* increment to next in line */ tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); return NT_STATUS_OK; } /****************************************************************** Lookup a name in the SAM TDB ******************************************************************/ static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname) { NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; TDB_CONTEXT *pwd_tdb; TDB_DATA data, key; fstring keystr; fstring name; if (user==NULL) { DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n")); return nt_status; } /* Data is stored in all lower-case */ unix_strlower(sname, -1, name, sizeof(name)); /* set search key */ slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); key.dptr = keystr; key.dsize = strlen(keystr) + 1; /* open the accounts TDB */ if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); return nt_status; } /* get the record */ data = tdb_fetch(pwd_tdb, key); if (!data.dptr) { DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n")); DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); DEBUGADD(5, (" Key: %s\n", keystr)); tdb_close(pwd_tdb); return nt_status; } /* unpack the buffer */ if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); SAFE_FREE(data.dptr); tdb_close(pwd_tdb); return nt_status; } SAFE_FREE(data.dptr); /* no further use for database, close it now */ tdb_close(pwd_tdb); return NT_STATUS_OK; } /*************************************************************************** Search by rid **************************************************************************/ static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid) { NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; TDB_CONTEXT *pwd_tdb; TDB_DATA data, key; fstring keystr; fstring name; if (user==NULL) { DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n")); return nt_status; } /* set search key */ slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); key.dptr = keystr; key.dsize = strlen (keystr) + 1; /* open the accounts TDB */ if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n")); return nt_status; } /* get the record */ data = tdb_fetch (pwd_tdb, key); if (!data.dptr) { DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr)); DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); tdb_close (pwd_tdb); return nt_status; } fstrcpy (name, data.dptr); SAFE_FREE(data.dptr); tdb_close (pwd_tdb); return tdbsam_getsampwnam (my_methods, user, name); } static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) { uint32 rid; if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) return NT_STATUS_UNSUCCESSFUL; return tdbsam_getsampwrid(my_methods, user, rid); } /*************************************************************************** Delete a SAM_ACCOUNT ****************************************************************************/ static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT *sam_pass) { NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; TDB_CONTEXT *pwd_tdb; TDB_DATA key; fstring keystr; uint32 rid; fstring name; unix_strlower(pdb_get_username(sam_pass), -1, name, sizeof(name)); /* open the TDB */ if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR, 0600))) { DEBUG(0, ("Unable to open TDB passwd!")); return nt_status; } /* set the search key */ slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); key.dptr = keystr; key.dsize = strlen (keystr) + 1; rid = pdb_get_user_rid(sam_pass); /* it's outaa here! 8^) */ if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { DEBUG(5, ("Error deleting entry from tdb passwd database!\n")); DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); tdb_close(pwd_tdb); return nt_status; } /* delete also the RID key */ /* set the search key */ slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); key.dptr = keystr; key.dsize = strlen (keystr) + 1; /* it's outaa here! 8^) */ if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { DEBUG(5, ("Error deleting entry from tdb rid database!\n")); DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); tdb_close(pwd_tdb); return nt_status; } tdb_close(pwd_tdb); return NT_STATUS_OK; } /*************************************************************************** Update the TDB SAM ****************************************************************************/ static BOOL tdb_update_sam(struct pdb_methods *my_methods, SAM_ACCOUNT* newpwd, int flag) { struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; TDB_CONTEXT *pwd_tdb = NULL; TDB_DATA key, data; uint8 *buf = NULL; fstring keystr; fstring name; BOOL ret = True; uint32 user_rid; BOOL tdb_ret; /* invalidate the existing TDB iterator if it is open */ if (tdb_state->passwd_tdb) { tdb_close(tdb_state->passwd_tdb); tdb_state->passwd_tdb = NULL; } /* open the account TDB passwd*/ pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600); if (!pwd_tdb) { DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); return False; } /* if flag == TDB_INSERT then make up a new RID else throw an error. */ if (!(user_rid = pdb_get_user_rid(newpwd))) { if (flag & TDB_INSERT) { if (IS_SAM_UNIX_USER(newpwd)) { if (tdb_state->algorithmic_rids) { user_rid = fallback_pdb_uid_to_user_rid(pdb_get_uid(newpwd)); } else { user_rid = BASE_RID; tdb_ret = tdb_change_uint32_atomic(pwd_tdb, "RID_COUNTER", &user_rid, RID_MULTIPLIER); if (!tdb_ret) { ret = False; goto done; } } pdb_set_user_sid_from_rid(newpwd, user_rid, PDB_CHANGED); } else { user_rid = tdb_state->low_nua_rid; tdb_ret = tdb_change_uint32_atomic(pwd_tdb, "NUA_RID_COUNTER", &user_rid, RID_MULTIPLIER); if (!tdb_ret) { ret = False; goto done; } if (user_rid > tdb_state->high_nua_rid) { DEBUG(0, ("tdbsam: no NUA rids available, cannot add user %s!\n", pdb_get_username(newpwd))); ret = False; goto done; } pdb_set_user_sid_from_rid(newpwd, user_rid, PDB_CHANGED); } } else { DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd))); ret = False; goto done; } } if (!pdb_get_group_rid(newpwd)) { if (flag & TDB_INSERT) { if (!tdb_state->permit_non_unix_accounts) { DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); ret = False; goto done; } else { /* This seems like a good default choice for non-unix users */ pdb_set_group_sid_from_rid(newpwd, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT); } } else { DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); ret = False; goto done; } } /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */ if ((data.dsize=init_buffer_from_sam (tdb_state, &buf, newpwd)) == -1) { DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n")); ret = False; goto done; } data.dptr = buf; unix_strlower(pdb_get_username(newpwd), -1, name, sizeof(name)); DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid)); /* setup the USER index key */ slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); key.dptr = keystr; key.dsize = strlen (keystr) + 1; /* add the account */ if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { DEBUG(0, ("Unable to modify passwd TDB!")); DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb))); DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr)); ret = False; goto done; } /* setup RID data */ data.dsize = sizeof(fstring); data.dptr = name; /* setup the RID index key */ slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid); key.dptr = keystr; key.dsize = strlen (keystr) + 1; /* add the reference */ if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { DEBUG(0, ("Unable to modify TDB passwd !")); DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb))); DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr)); ret = False; goto done; } done: /* cleanup */ tdb_close (pwd_tdb); SAFE_FREE(buf); return (ret); } /*************************************************************************** Modifies an existing SAM_ACCOUNT ****************************************************************************/ static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) { if (tdb_update_sam(my_methods, newpwd, TDB_MODIFY)) return NT_STATUS_OK; else return NT_STATUS_UNSUCCESSFUL; } /*************************************************************************** Adds an existing SAM_ACCOUNT ****************************************************************************/ static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) { if (tdb_update_sam(my_methods, newpwd, TDB_INSERT)) return NT_STATUS_OK; else return NT_STATUS_UNSUCCESSFUL; } static void free_private_data(void **vp) { struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp; close_tdb(*tdb_state); *tdb_state = NULL; /* No need to free any further, as it is talloc()ed */ } static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) { NTSTATUS nt_status; struct tdbsam_privates *tdb_state; #if 0 /* when made a module use this */ tdbsam_debug_level = debug_add_class("tdbsam"); if(tdbsam_debug_level == -1) { tdbsam_debug_level = DBGC_ALL; DEBUG(0, ("tdbsam: Couldn't register custom debugging class!\n")); } #endif if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { return nt_status; } (*pdb_method)->name = "tdbsam"; (*pdb_method)->setsampwent = tdbsam_setsampwent; (*pdb_method)->endsampwent = tdbsam_endsampwent; (*pdb_method)->getsampwent = tdbsam_getsampwent; (*pdb_method)->getsampwnam = tdbsam_getsampwnam; (*pdb_method)->getsampwsid = tdbsam_getsampwsid; (*pdb_method)->add_sam_account = tdbsam_add_sam_account; (*pdb_method)->update_sam_account = tdbsam_update_sam_account; (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account; tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates)); if (!tdb_state) { DEBUG(0, ("talloc() failed for tdbsam private_data!\n")); return NT_STATUS_NO_MEMORY; } if (location) { tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location); } else { pstring tdbfile; get_private_directory(tdbfile); pstrcat(tdbfile, "/"); pstrcat(tdbfile, PASSDB_FILE_NAME); tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile); } tdb_state->algorithmic_rids = True; (*pdb_method)->private_data = tdb_state; (*pdb_method)->free_private_data = free_private_data; return NT_STATUS_OK; } static NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) { NTSTATUS nt_status; struct tdbsam_privates *tdb_state; uint32 low_nua_uid, high_nua_uid; if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) { return nt_status; } (*pdb_method)->name = "tdbsam_nua"; tdb_state = (*pdb_method)->private_data; tdb_state->permit_non_unix_accounts = True; if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) { DEBUG(0, ("cannot use tdbsam_nua without 'non unix account range' in smb.conf!\n")); return NT_STATUS_UNSUCCESSFUL; } tdb_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid); tdb_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid); return NT_STATUS_OK; } NTSTATUS pdb_tdb_init(void) { NTSTATUS ret; struct passdb_ops ops; /* fill in our name */ ops.name = "tdbsam"; /* fill in all the operations */ ops.init = pdb_init_tdbsam; /* register ourselves with the PASSDB subsystem. */ ret = register_backend("passdb", &ops); if (!NT_STATUS_IS_OK(ret)) { DEBUG(0,("Failed to register '%s' PASSDB backend!\n", ops.name)); return ret; } /* fill in our name */ ops.name = "tdbsam_nua"; /* fill in all the operations */ ops.init = pdb_init_tdbsam_nua; /* register ourselves with the PASSDB subsystem. */ ret = register_backend("passdb", &ops); if (!NT_STATUS_IS_OK(ret)) { DEBUG(0,("Failed to register '%s' PASSDB backend!\n", ops.name)); return ret; } return ret; }